[rollei_list] Re: Sweet spot: f8/f11?
- From: Eric Goldstein <egoldste@xxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Sun, 23 Oct 2011 08:17:02 -0400
On Sun, Oct 23, 2011 at 8:02 AM, Marc James Small
<marcsmall@xxxxxxxxxxx>wrote: (snipped)
>
>
> The Carl Zeiss MTF data seems to set out that the 2.8/80 Planar used in the
> GX and FX cameras achieves its best performance from f/5.6. I am not aware
> of similar scientific tests done on the earlier versions of this lens or on
> the Xenotar. In my personal experience, both lenses as used in the 2.8F and
> earlier cameras peak from f/8 but, again, my own experience is hardly any
> more a scientific test than were the musings of Burt Keppler.
>
> Marc
>
My experience with the 80 Planar is that it's best between f/5.6 and f/8
Eric Goldstein
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